Cold Weather Operation; Water In Fuel - Chevrolet El Camino 1983 Owner's Manual

Note
thai:
diesel fueDriay foam 'during a lillup. This 'can caUse' )tour
tank 10 be
less than full,
even
thcil,ighthe automatic"'pu"1) nozzle
,has
shul off: .
<
NonCE:
Using
any
iual ' ot
fuel'lId.
other
than
u.;,:.e
~,eoufd
t M *
engine
cs-.ge,
for whrdt Chevrolet is not responsible •• couldello
ef'IIict
yo ...
warr.i.ty.
T.1Ie
c:.re
to not
tUn
out 'of dr_I fuel." •
You
do
run
1iuI:
-of fuel,
you
Ny
need
to
InrIk
it..
.n~
10119"
to
re-iJ$IIl1"
irtter
fUe1
tin
' b een
lidded.
TO 'pro*U .. cr .. ldhg
mot.:.
(lItIrtIor); do not crank thI enol_tor more thllllbout 10
to
15
~ ·It e ti ...... AIID«
e
ooe-mlnute cooiing off period between cranklngs, unlillfla
angIiIa
starte.
Cold Weather Operation (Diesel Engines)
Diesel fuel is sensitive
to
temperatlKe. All diesef luet has a certain amolMlt of
paratfin-like
Components. -which
are
high'
in
energy .value and'help i!""JXOVe
fuel
economy.
-But, when temperatures -are less
than
about -7" C(20°F), these
paraffin _ components begin turning into wax
flakes."
tefll)el'"8turesare- low
enough, these flakes .can build
up on
the fuel
tank
filter or
I. h e_
engine
fuel
plter
· and
stop fuel fram , reaching the engWie. ' ' . ,
At
low
te{l1)er8lures, wax flakes' are more like1Y to form in. Number
2:0
fuel
than
Number1~D
(or -a
"winterized" 2-0)- fuel. For best
operation
at
temperatures below -rC _ (20°F)
use
Number 1-0,
or
Numbef_ 2-0. whict! has
beenble~
with
NUmbe:r
1-0 , f or
wiirter
use.
The fuel tank
has
a ' : check valve"
in
case
wax
flakes form and
,
the
fuel
tank
filter~s
plugged. The' check valve
is
desigr\ed ,to
allow_
fuel to
continue
flowing
to
the
engine. However"
if
the
filter plugs. not
all
of
the
fuel in the tank
can be
used; because ot.the
location
Of
the check valve: Your vehicle
wiD
"run
out,
Of
fuel" when there
is
still ' about"4 gallonS (15'
liters)
of
fuel in,
,the tank,
if
the fuel tank filter
becomes
plugged , with
wax.
If
you .
are criving
in
temperatures- less than -7"C(20'"-F) and do not have _ Number
1-0
or
"winterized" Number 2-0-fuel in the fuel tank, be sure to
keep
the tank
more
than one-quarter
full,
to help prevent running out
01
fuel.
To further improve cold weather operation, an optional engine block heal&( and
fuel-line heater are available ..
(See
"ColcfWeattler ' Starting"
under
"'Starting
the [)lese! Engine" in ' section 2
of
Uris m'anual
fOr
information on the block
heater.) The fuel-line heater is_ d8si!:1led '
io '
come on
when outside
tempera. t LK9S are leSs
than _4°C
(25°F),
It
warms-
the fuel and
hel~
stop.
wax
flakes from building
up
on
the
engine fuel filter. , The: fuel-line
heater is
reCommended in' those areas where - winter temperatures lower than
,12°C
(10°F) are expected,
and
Number 1-0 fuel (or " winterized" Number 2-0 fuel)
may nOt be readily available.
· Water
In Fuel
(Dieiel ,Engines) .
During refueling,
it
is possible for water to
00: pu~
'Into your fuel tank along
with the diesel fuel. Your vehicle h$s-a water separator sy$lem in the fuel tank,
as well as a secondary.rltter at the
~ine
for
sotid
contaminants.
It
also
ha$
a
."WA~ · IN
Fl,IEL"' light in "the instJ:ument cluster which is ..
~gned
to come
on if water Is,
det~ed .
in the fuel The "WATER IN
FUa."
ligt:rt
is
also
:designed lacome on _ d uring
enQii\e
starting 10
jet
you ' know the bulb is
working. If the light does not come on,-
check
the.lusearld the bulb;
if
these are
OK,
see
your
authorized -~elilef.
· n the light oomes on
at
any other time, or if you notice a
loss
of
power
or
a
very rough running engine, have the fuel
system
checked
for
water
by
yOur
authorized dealer. Allowing water
to
stay in the fuel tank, lines
Of
filter could
result in extensive damage
to,
or faiMe 01, the fuel injection system.
2-7